Tellabs (NASDAQ: TLAB ) shares dropped 7.89% to touch a new 52-week low of $2.10. Tellabs issued downbeat Q1 revenue forecast. Celsion (NASDAQ: CLSN ) shares lost 12.59% to create a new 52-week low of $1.32. Celsion shares have dropped 22.56% over the past 52 weeks, while the S&P