Investment firm Silver Lake Group has taken a substantial new position in Dell Technologies, acquiring 42.8 million shares on September 9th at a price of $535.2

Investment firm Silver Lake Group has taken a substantial new position in Dell Technologies, acquiring 42.8 million shares on September 9th at a price of $535.25 per share. The transaction, reported on September 18th, gives Silver Lake a holding that accounts for 11.9% of Dell's shares held by promi…