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[$$] Broadcom Shares Sink as Latest Deal Puzzles Wall Street

Broadcom Inc. shares fell nearly 14% on Thursday, showing the challenge Chief Executive Hock Tan faces in persuading investors that his $18.9 billion purchase of the software company CA Technologies makes sense for the chip giant. The deal, announced late Wednesday, was a surprise even for observers familiar with Mr. Tan’s long history of acquisitions. The CEO built Broadcom into a chip powerhouse largely by acquiring companies.