NEW YORK (CNNMoney.com) -- Here are some of the companies whose shares were active late Wednesday:

O'Charley's Inc. (down $1.78 to $19.33, Charts), known for its O'Charley's restaurant brand, slashed its third-quarter forecast Wednesday, citing a drop in same-store sales, in addition to maintenance and legal expenses.

International Business Machines (up $2.90 to $89.85, Charts) said earnings topped estimates, while the company's shares were upgraded to "buy" from neutral by Goldman Sachs early Wednesday.

JP Morgan Chase & Co (down $0.86 to $47.13, Charts) said third-quarter earnings handily beat Wall Street estimates, helped by record investment banking fees.

Mellon Financial Corp (up $1.08 to $39.40, Charts), the owner of the Dreyfus series of mutual funds, reported a 13 percent jump in earnings Wednesday, citing higher investment management fees, which lifted revenue.

Motorola, Inc. (down $1.16 to $23.69, Charts) said earnings missed quarterly estimates despite higher revenue.

Siga Technologies Inc (up $2.71 to $4.68, Charts) reported that its SIGA-246 drug showed 100% protection against the human smallpox virus in a primate trial.

Take-Two Interactive Software (up $0.34 to $15.43, Charts), the video game publisher known for its 'Grand Theft Auto' series, revealed in a regulatory filing that its founder and CEO Ryan Brant would step down.

Yahoo! Inc. (down $1.04 to $23.11, Charts) reported disappointing results late Tuesday, but its CEO told investors during a conference call that its long-awaited new search technology was now live.

-- from staff and wire reports