Benzinga's Top #PreMarket Losers

shares tumbled 4.69 percent to $84.00 in pre-market trading after the company lowered its FY15 earnings guidance.

shares dropped 3.86 percent to $36.89 in pre-market after gaining 4.12 percent on Tuesday.

shares fell 1.58 percent to $42.97 in pre-market trading. Delta Air reported stronger-than-expected Q2 results. However, the company projects a decline in Q3 unit revenue.

fell 1.47 percent to $2.01 in pre-market trading. Central European Media Enterprises shares have dropped 18.73 percent over the past 52 weeks, while the S&P 500 index has gained 6.43 percent in the same period.

shares declined 1.40 percent to $90.70 in pre-market trading. Yum! Brands reported better-than-expected earnings for its second quarter, but the company's sales missed analysts' estimates.