NEWARK — A huge Amazon fulfillment center in Newark has been bought by a veteran real estate investor with a global reach, a deal that offers fresh evidence that big-name tech tenants can be magnets for property buyers. BentallGreenOak, acting through an affiliate, has paid $138 million to grab the Amazon complex in Newark, according to documents filed on Dec. 23 with the Alameda County Recorder’s Office. The Amazon fulfillment center is located at 38811 Cherry St. in Newark, the county documents show. BentalGreenOak bought the Amazon-leased property from Metropolitan Life Insurance Co. in an all-cash deal, the county records…