General contractor Tishman Realty & Construction says no work was taking place in the area from where the glass fell. The cause is being investigated.
A similar incident at the building in August injured two people. Last October, a bucket attached to a crane fell from the top of the building, injuring eight people.
Bank of America Corp. has made headlines this week for buying embattled financial management firm Merrill Lynch & Co. for $50 billion.