Berkshire Hathaway boosts stake in Occidental Petroleum to about 28%

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MiddleBrook Pharmaceuticals, Inc. (NASDAQ: BRK) Delayed: 0.30 +0.12 (66.67%)
Previous Close $0.18    52 Week High $0.41 
Open $0.21    52 Week Low $0.21 
Day High $0.41    P/E N/A 
Day Low $0.21    EPS $-0.96 
Volume 2,875       

Occidental Petroleum (NYSE: OXY) Delayed: 61.30 -0.22 (0.36%)
Previous Close $61.52    52 Week High $78.48 
Open $61.53    52 Week Low $58.24 
Day High $61.78    P/E 8.35 
Day Low $61.20    EPS $7.34 
Volume 6,456,055