12 Biggest Mid-Day Losers For Friday

Aceto Corporation ACET shares tumbled 24.2 percent to $12.16. Aceto reported Q4 adjusted earnings of $0.27 per share on revenue of $194.6 million.
Tahoe Resources Inc TAHO shares dipped 19 percent to $4.44 after the Guatemalan Constitutional Court issued a decision upholding the lower court's decision to provisionally suspend the mining license of Minera San Rafael.
GameStop Corp. GME dropped 11.4 percent to $19.29 after the company reported weaker-than-expected earnings for its second quarter.
Ulta Beauty Inc ULTA shares dropped 9.4 percent to $211.84. Ulta Beauty posted upbeat earnings for its second quarter on Thursday. BMO Capital downgraded Ulta Beauty from Outperform to Market Perform.
Veeva Systems Inc VEEV declined 8.8 percent to $58.93. Veeva posted upbeat quarterly earnings.
China Online Education Group – ADR COE shares fell 8.5 percent to $14.81 after the company reported Q2 results.
Shutterstock Inc SSTK shares dropped 5.1 percent to $31.42. Jefferies downgraded Shutterstock from Hold to Underperform.
Endurance International Group Hldgs Inc EIGI declined 4.5 percent to $7.45. Jefferies downgraded Endurance Intl from Buy to Underperform.
Big Lots, Inc. BIG shares slipped 4 percent to $48.12. Big Lots reported stronger-than-expected earnings for its second quarter.
Tripadvisor Inc TRIP declined 3.5 percent to $41.82. Jefferies downgraded Tripadvisor from Hold to Underperform.
Domino's Pizza, Inc. DPZ dropped 2.6 percent to $178.50. Argus downgraded Domino's from Buy to Hold.
Broadcom Ltd AVGO fell 2.3 percent to $249.30. Broadcom reported stronger-than-expected earnings for its second quarter.