Friday's After-Hours Movers Led By TECO Energy, SINA & MannKind By: Benzinga via Benzinga September 05, 2015 at 12:57 PM EDT SINA Corp (NASDAQ: SINA)was the biggest gainer in the Nasdaq’s Friday’s after-hours trading. After falling 3.97 ... Read More >> Related Stocks: CLIFFS NATURAL RESOURCES INC. DEPOSITARY SHARES, EACH REPRESENTING A 1/40TH OWNERSHIP INTEREST IN A Emera Paymentus Holdings Inc Cl A Sina Corp TECO Energy