Shares of Bionano Genomics, Inc. (NASDAQ:BNGO) dropped 4% during trading on Thursday . The company traded as low as $3.14 and last traded at $3.14. Approximately 46,984 shares changed hands during mid-day trading, a decline of 99% from the average daily volume of 7,656,368 shares. The stock had previously closed at $3.27.