By Benjamin Horney (February 27, 2017, 6:22 PM EST) -- SoftBank Group Corp. could inject $3 billion or more into WeWork Cos. Inc., a company that provides co-working or shared office space, according to a report from Reuters on Monday. According to the report, SoftBank's investment may come in the form of an initial $2 billion primary tranche of funding followed by a secondary round worth upward of $1 billion. Reports that SoftBank was considering an investment in WeWork date back to last month. WeWork, which was founded about seven years ago and leases shared office space to members in the technology, art and design, e-commerce, fashion and nonprofit sectors, had a market value of almost $17 billion as of last year....