India, Aug. 4 -- UK Stock Market Today (August 4): The FTSE 100 index increased by 0.5% on Tuesday to close higher amid strong increases in mining companies, despite some losses seen among several blue-chip stocks. The mining companies were responsible for the increase, with Antofagasta rising by more than 3.5%, and Anglo American increasing by 2.5%. Other mining companies such as Rio Tinto, Glencore, and Endeavour Mining increased by more than 2% amid strong commodity prices. In addition, the largest stock in the index, HSBC, increased after posting strong first-half financial results and declaring a buyback of shares worth $1 billion. Also, BP recorded a slight increase after beating market expectations with its quarterly financial resu...