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After-hours buzz: CALD, HLF, XLF & more

Traders work on the floor of the New York Stock Exchange.
Brendan McDermid | Reuters

Callidus Software — the cloud-based enterprise software company announced a 4 million share secondary offering underwritten by Piper Jaffray and Credit Suisse Securities, and intends to grant the underwriters an option to purchase up to an additional 600,000 shares. The firm plans to use the net proceeds for "working capital and general corporate purposes." Shares were more than 3.5 percent lower in extended-hours trade.

Herbalife — shares climbed more than 2 percent in after-hours trade amid activist investor Carl Icahn's comments at the Delivering Alpha conference that he thinks Herbalife would be "better off private."

SPDR Financial Select Sector ETF (XLF) — the exchange-traded fund climbed more than 1.5 percent in after-hours trade following the sharp rise in Treasury yields amid growing expectations the U.S. Federal Reserve will raise rates sooner rather than later.

Sarepta Therapeutics — shares briefly jumped more than 11 percent in after-hours trade amid continued speculation that the U.S. Food and Drug Administration will soon make a decision on eteplirsen, a treatment for a genetic disorder involving muscle degeneration, according to StreetAccount. The stock had closed 7.7 percent lower Tuesday.