Check out which companies are making headlines before the bell:
Big Lots — The discount retail category continues to stand out versus its peers, with Big Lots the latest to beat estimates. Big Lots earned an adjusted 82 cents per share for its latest quarter, 12 cents a share above forecasts. Revenue was also above estimates. Comparable-store sales were up a better-than-expected 3 percent, and the company also raised its full-year earnings forecast.
Valeant — The drugmaker rejected a joint takeover bid from Japan's Takeda Pharmaceutical and TPG Capital earlier this year.
Ulta Salon — Ulta reported quarterly profit of $1.45 per share for its latest quarter, beating estimates by 16 cents a share. Revenue was also above estimates, as was its first quarter same-store sales. The seller of beauty products also raised its full-year sales forecast.
FEI — Thermo Fisher Scientific is buying fellow scientific instruments maker FEI for $4.2 billion or $107.50 per share, a 13.6 percent premium over yesterday's close. Thermo Fisher said the deal will immediately add to its bottom line.
Palo Alto Networks — Palo Alto reported adjusted quarterly profit of 42 cents per share, matching estimates, while revenue was above Street forecasts. However, the maker of network security products gave current-quarter guidance that falls largely below Street estimates as expenses increase.
GameStop — GameStop came in 4 cents a share above estimates, with adjusted quarterly earnings of 66 cents per share. Revenue matched forecasts. The video game retailer did provide a current-quarter earnings outlook that falls below analysts' forecasts, as game players turn increasingly to digital purchases.
Deckers Outdoor — Deckers beat Street estimates by 5 cents a share, with adjusted quarterly profit of 11 cents per share. Revenue also scored a beat, but the maker of UGG boots also gave weaker than expected full-year guidance, and announced that incoming Chief Executive Officer Dave Powers would replace retiring Angel Martinez at the end of this month.
Verizon — Verizon is said to be working with Bank of America on its bid for Yahoo's core internet assets, according to a Reuters report. Bank of America had been one of Yahoo's top advisers as recently as last year.
Sony — Sony announced that unit sales of its PlayStation 4 video game console had topped the 40 million mark.
Freeport-McMoRan — The mining company is reportedly in talks with several parties to sell a stake in its North and South American operations, according to a Bloomberg report.
Splunk — Splunk matched estimates for its latest quarter with adjusted profit of 2 cents per share, while revenue topped forecasts. The maker of data analytics software also raised its full-year outlook for the second consecutive quarter, but investors appear to be focusing on an overall net loss and an increase in operating expenses.
Western Digital — Western Digital cut its current-quarter profit outlook, due to debt costs related to its acquisition of rival disk drive maker SanDisk.