15 Biggest Mid-Day Losers For Friday

• Sonic Corporation SONC shares fell 9 percent to $27.56. Sonic reported better-than-expected earnings for its third quarter, but the company missed analysts’ sales estimates. Same-store sales rose by only 2 percent over the period, while analysts were expecting a 2.7 surge. The company also lowered its same-store sales forecast for the year.

Financial stocks traded sharply lower following the "leave" campaign emerging victorious in the Brexit vote.

• Lloyds Banking Group PLC (ADR) LYG shares dipped 26.6 percent to $3.18.
• ZAIS Group Holdings, Inc. ZAIS shares declined 24 percent to $3.06.
• Barclays PLC (ADR) BCS shares dropped 23.26 percent to $8.58.
• Royal Bank of Scotland Group PLC RBS shares slipped 23 percent to $5.78.
• Aviva Plc (ADR) AV tumbled 21.2 percent to $10.47.
• Banco Santander, S.A. (ADR) SAN declined 20.3 percent to $3.83.
• Banco Bilbao Vizcaya Argentaria SA (ADR) BBVA shares dropped 18 percent to $5.43.
• Prudential Public Limited Company (ADR) PUK shares declined 16.3 percent to $33.82.
• Deutsche Bank AG (USA) DB shares dropped 16 percent to $14.98.
• Credit Suisse Group AG (ADR) CS shares declined 15 percent to $11.68.
• UBS Group AG (USA) UBS shares dropped 12.4 percent to $14.11.
• HSBC Holdings plc (ADR) HSBC shares declined 9 percent to $30.74.
• Morgan Stanley MS shares fell 8.9 percent to $24.86.
• Citigroup Inc C shares dropped 7.6 percent to $41.09.