Wal-Mart have announced plans to launch a new venture, ‘Store No. 8’, which will operate as a Silicon Valley incubator, housing startups wholly owned by Wal-Mart but run independently. This is part of Wal-Mart’s e-commerce strategy under the new leadership of Jet.com owner, Marc Lore, whose e-commerce store Wal-Mart recently purchased. Other e-commerce stores recently…