Flextock, one of the 10 African startups from the recent Y Combinator winter batch, has bagged an impressive pre-seed round just two months after graduation. The five-month-old company, which helps consumers and businesses manage e-commerce and fulfillment operations — from warehousing and logistics to delivery and cash collection — has closed a $3.25 million pre-seed investment. As it stands, this is a record high for the MENA region, which also had a record-high two months ago in fellow Egyptian and YC winter batch startup Dayra. The fintech company raised $3…