RST - Merger Arbitrage Analysis And Spread Performance - October 18 2020 October, 19 2020 07:13 PM Rosetta Stone Inc. Tiffany responds to LVMH countersuit. Tiffany reports preliminary results for August and September. Merger arbitrage cash spreads produce another week of positive returns. For further details see: Merger Arbitrage Analysis And Spread Performance - October 18, 2020