Today's Pre-Open Stock Movers

RTI Surgical Holdings, Inc. (NASDAQ: RTIX) 99.6% HIGHER; announces a definitive agreement for the sale of the Companys OEM business to Montagu Private Equity LLP (Montagu), a leading European private equity firm, for a total consideration of $490 million. The transaction is targeted to close in the first half of 2020.

Big 5 Sporting Goods Corporation (Nasdaq: BGFV) 24.8% HIGHER; For the fiscal 2019 full year, net sales increased to $996.5 million from $987.6 million in fiscal 2018. Same store sales increased 1.2% for the fiscal 2019 full year. The Companys merchandise margins increased approximately 66 basis points for the fiscal 2019 full year compared to fiscal 2018.

Stemline Therapeutics, Inc. (NASDAQ: STML) 20.6% LOWER; announced preliminary net revenues for 2019, as well as outlined key BPDCN market successes and upcoming commercial and clinical milestones. Unaudited preliminary 2019 results include: $43.2 million in estimated ELZONRIS net revenues for the year-ended December 31, 2019; $11.8 million in estimated ELZONRIS net revenues for the fourth quarter of 2019.

Ichor Holdings, Ltd. (NASDAQ: ICHR) 11.9% HIGHER; announced preliminary results for the fourth quarter of 2019. For the fourth quarter of 2019, Ichor expects to report: Revenue of approximately $189 million, up 22% over the third quarter of 2019 and at the high end of the guidance range; and Positive cash flows from operations, with total cash of approximately $61 million at year-end 2019 and total debt of approximately $181 million. (*Consensus sees Q4 revenue of $184.9 million and Q1 revenue of $181.9 million.

SmileDirectClub, (Nasdaq: SDC) 10.6% HIGHER; announced plans to offer its clear aligners through the wholesale channel, providing dentists and orthodontists an in-office option in 2020. With the December 31, 2019 expiration of its exclusive supply agreement with Align Technology, Inc., SmileDirectClub will expand access to its clear aligner therapy solutions and open its network to dentists and orthodontists in search of a premium and affordable teeth straightening solution for their patients.

ACI Worldwide (NASDAQ: ACIW) 10.4% LOWER; Based on preliminary information available at this time, for the year ended December 31, 2019, we currently expect: Revenue of between $1.255 billion and $1.265 billion, up over 20% over 2018, but below our prior guidance of $1.315 billion to $1.345 billion; and Adjusted EBITDA of between $300 million and $310 million, up over 20% over 2018, but below our prior guidance of $360 million to $380 million. (Consensus sees FY19 Revenue of $1.32 billion)

MagnaChip Semiconductor Corporation (NYSE: MX) 10.2% HIGHER; today provided an update to its previous guidance for the fourth quarter of 2019. Revenue in the fourth quarter of 2019, ended December 31, is now expected to be in the range of $198-200 million, and gross profit margin is expected to be in the range of 26-27%, based on unaudited preliminary financial estimates. This updated guidance for the fourth quarter compares to the Company's previous guidance of revenue to be in the range of $181-191 million and gross profit margin to be in the range of 24-26%.(*Consensus sees Q4 revenue $186 million).

GameStop Corp. (NYSE: GME) 10% LOWER; Total comparable store sales for the nine-week period decreased 24.7%, following a 1.5% increase in comparable store sales for the similar period in fiscal 2018. Sees earnings below guidance.

Beyond Meat, Inc. (NASDAQ: BYND) 8.4% HIGHER; adds to recent momentum

Merit Medical Systems, Inc. (NASDAQ: MMSI) 7.5% HIGHER; hedge fund Starboard Value LP disclosed a 9%, or 4,965,000 share, stake in the company.

Ethan Allen Interiors Inc. (NYSE: ETH) 7.5% LOWER; Preliminary Results for the Fiscal 2020 Second Quarter - the Company expects to report the following: Consolidated net sales of $175 million; Adjusted diluted EPS in the range of $0.25 to $0.27 (Consensus sees Q2 EPS of $0.40 on revenue of $181.73 million).

Boston Scientific Corporation (NYSE: BSX) 5.6% LOWER; generated sales, based upon preliminary unaudited financial information, of approximately $2.90 billion during the fourth quarter of 2019. This represents growth of approximately 13.4 percent on a reported basis, compared to the company's guidance range of 13 to 15 percent; approximately 14.1 percent on an operational1 basis, compared to the company's guidance range of 14 to 16 percent; and approximately 7.3 percent on an organic2 basis, compared to the company's guidance range of 8 to 9 percent, all compared to the prior year period.

Zumiez Inc. (NASDAQ: ZUMZ) 5.4% HIGHER; comparable sales increased 6.8% for the nine-week period ended January 4, 2020 compared to the nine-week period ended January 5, 2019. In the prior year, comparable sales increased 4.0% for the nine-week period ended January 5, 2019. Based primarily on stronger than expected quarter-to-date sales, the Company is increasing guidance and now expects comparable sales to increase approximately 6.0% for the quarter, with earnings per share between $1.34 and $1.38. This compares to our previous guidance of comparable sales growth between 2% and 4%, with earnings per share between $1.26 and $1.32. Zumiez plans to report fourth quarter 2019 results on March 12, 2020.

AECOM Technology (NYSE: ACM) 5% HIGHER; Canada's WSP approached rival engineering ACM about a possible deal, according to Bloomberg, citing people familiar with the matter.

Camping World Holdings (NYSE: CWH) 4% HIGHER; Northcoast Research upgraded from Neutral to Buy with a price target of $20.00.

McKesson Corporation (NYSE: MCK) 3.7% HIGHER; the company now anticipates Adjusted Earnings per diluted share of $14.60 to $14.80 for full-year fiscal 2020, an increase from the previous range of $14.00 to $14.60. (*Consensus sees FY20 EPS of $14.37).

NantKwest (NASDAQ: NK) 3.7% LOWER; consolidates after rising 91% intra-day on positive trial results