NXP Semiconductors NV is teaming up with a company partly owned by Taiwan Semiconductor Manufacturing Co. to build a $7.8 billion chip wafer plant in Singapore, marking a boost for the island nation’s tech ambitions.TSMC-backed Vanguard International Semiconductor Corp. and NXP will begin constructing the facility in the second half of this year, with production starting in 2027, the two companies said Wednesday in a statement. Taiwan-based Vanguard will own 60% of the joint venture and the Neth...