Allis-Chalmers Energy Inc. (NYSE: ALY) improved 9.63 percent in price Monday afternoon to $6.26. Volume was 633,498 shares, surmounting the stock’s normal daily average. ALY is a Houston-based multi-faceted oilfield services company
Pfizer Inc. (NYSE: PFE) was awash in volume Monday afternoon, trading in 26,763,559 shares, pursuing its normal daily average of 43,073,400 shares. Prices for PFE were up 1.38 percent to $17.25. PFE announced Sunday that Prevenar 13* (Pneumococcal polysaccharide conjugate vaccine [13-valent, adsorbed]) was introduced into the first childhood immunization program for pneumococcal disease in the developing world under the auspices of the Advance Market Commitment when Nicaragua launched its program.
Youku.com (NYSE: YOKU) tumbled 10.88 percent to $33.42 on Monday. Volume was 5,522,513 shares, compared to its full-day average of 12,219,400. YOKU is a leading Chinese Internet television company.