ZBB Energy (NYSE:

) shares tumbled 18.75% to $1.17 after the company priced public offering of 11.52 million shares of common stock at $1.12 per share. China New Borun (NYSE:

) shares dropped 16.75% to $2.33 after the company reported Q2 results and issued a Q3 forecast. Ampio Pharmaceuticals (NYSE:

) declined 10.42% to $5.07. Jefferies downgraded Ampio Pharmaceuticals from Buy to Hold and lowered the price target from $14.00 to $5.00. Doral Financial (NYSE:

) shares fell 10.01% to $7.55. Aeropostale (NYSE:

) shares dipped 8.70% to $3.57 after the company issued a downbeat third-quarter outlook. However, the company reported stronger-than-expected second-quarter results. China Information Technology (NASDAQ:

) slipped 6.04% to $4.51. On Wednesday, China Information Technology posted H1 net income of 31,000, versus a year-ago net loss of $50.5 million. ANN (NYSE:

) shares dropped 4.64% to $37.01 after the company reported upbeat profit for its fiscal second quarter and lowered its FY15 revenue outlook. Royal Bank of Canada (NYSE:

) declined 1.25% to $73.72 after the company reported a better-than-expected third-quarter profit and raised its quarterly dividend by 6%.