Aeterna Zentaris surges after stock split By: MarketMinute.com Stock News November 23, 2015 at 16:09 PM EST Shares of Aeterna Zentaris Inc. (Nasdaq: AEZS) surged $4.29 to close at $8.52 after completing its 1-for-100 reverse stock split on Friday. Related Stocks: Aeterna Zentaris