The top after-market NYSE gainers on Wednesday are: IDT Corp, Office Depot, Limited Brands, Synovus Financial, Hudbay Minerals, Navigant Consulting, Kraton Performance Polymers and Tesoro.

IDT Corp (NYSE:IDT) shares advanced 4.17 percent to $27.17 in the afterhours trading session on Wednesday. In regular trading session, the stock fell 2.79 percent.

Office Depot, Inc. (NYSE:ODP) shares gained 2.27 percent to $5.40 in afterhours trading as the company's new change-in-control agreement with three executives fueled takeover speculation. Shares surged 9.09 percent to $5.28 in regular trading.

Limited Brands, Inc. (NYSE:LTD) shares advanced 2.16 percent to $31.73 in the post market trading session on Wednesday. The company shares have surged more than 21 percent in the last 4 months.

Synovus Financial Corp (NYSE:SNV) shares gained 1.51 percent to $2.69 in the post market trading hours as the Bank of Montreal and Marshall & Ilsley deal sparked speculation that other strong banks will begin shopping for cheap US regional banks.

Hudbay Minerals Inc (NYSE:HBM) shares advanced 1.42 percent to $17.21 in the afterhours trading session on Wednesday.

Navigant Consulting Inc (NYSE:NCI) shares advanced 1.37 percent to $9.62 in the post market trading session. The company's shares declined 7.5 percent so far in the last two months.

Kraton Performance Polymers, Inc (NYSE:KRA) shares gained 1.35 percent to $32.64 in the post market trading session on Wednesday.

Tesoro Corp (NYSE:TSO) shares advanced 1.24 percent to $18.80 in the afterhours trading session on Wednesday after touching its fresh one-year high of $18.94 in the regular trading session. The stock has average daily volume of 5.38 million shares.