Wynn stock drop forces question: when to disclose misconduct?

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JTH HLDG-A (NASDAQ: TAX) Delayed: 30.66 +0.50 (1.66%)
Previous Close $30.16    52 Week High $24.04 
Open $30.36    52 Week Low $9.95 
Day High $30.66    P/E 28.92 
Day Low $30.36    EPS $1.06 
Volume 368       

Wynn Resorts Ltd (NASDAQ: WYNN) Delayed: 76.97 +3.24 (4.39%)
Previous Close $73.73    52 Week High $109.50 
Open $74.23    52 Week Low $49.95 
Day High $77.48    P/E 10.74 
Day Low $74.18    EPS $7.17 
Volume 2,151,065