Barclays PLC (BARC.LN) said Wednesday it expects to book a 1 billion pound ($1.3 billion) charge to its 2017 accounts following the changes to U.S. tax reform, which will also reduce its Core Equity Tier 1 ratio by 20 basis points. The bank added that its U.S. deferred tax assets will be GBP1 billion lower due to the new tax. However, Barclays said the reduction in the statutory U.S. federal rate is expected to positively impact future U.S. after-tax earnings. The tax law passed by Congress...