SoftBank is said to weigh buying top U.S. security firm alliedBusinessOct 16 at 2:50 PM – Oct 17 at 1:24 AM3 outletsBloombergSoftBank Is Said to Weigh Buying Top US Security Firm Allied Oct 16 at 2:50 PMFinancial TimesSoftBank in talks to buy US security group Allied Universal Oct 16 at 10:07 PMThe Japan TimesSoftBank is said to weigh buying top U.S. security firm allied Oct 17 at 1:24 AM