 Shares of Starboard Value Acquisition Corp. soared 16.8 in premarket trading Monday, after the special purpose acquisition company announced a merger agreement that would take data center company Cyxtera Technologies Inc. public, which implies an enterprise value of 3.4 billion. When the deal closes, which is expected to occur in mid-2021, the combined company will operate at Cyxtera, and the stock is expected to list on the Nasdaq under the ticker symbol CYXT. 