Blue Coat Systems Inc (NASDAQ:

) dipped 9.21% to $20.30 in the pre-market session. BCSI reported a 62% drop in its fiscal fourth-quarter earnings and issued a disappointing forecast. OmniVision Technologies Inc (NASDAQ:

) dropped 5.41% to $34.45 in the pre-market trading. For the current quarter, OmniVision projects an adjusted profit of $0.64 cents to $0.77 per share, on revenue between $265 million and $285 million. However, analysts expected earnings of $0.71 per share on revenue of $277 million. Glu Mobile Inc (NASDAQ:

) fell 4.12% to $4.89 in the pre-market session. GLUU projects Q2 revenue of $870 million to $910 million, versus analysts' estimates of $875.5 million. Yandex NV (NASDAQ:

) moved down 1.27% to $34.33 in the pre-market session. YNDX's underwriters of its initial public offering exercised an over-allotment option in full. Read more