LONDON — BHP Group on Wednesday said it believes an extension to talks with takeover target Anglo American is necessary, as the deadline for discussions looms later in the session. The Australian miner said in a statement that it had proposed a number of "socioeconomic measures" to address concerns over its bid, but added that more time was needed to discussions. The offer values the company at £38.6 billion ($49.2 billion), according to previous Reuters calculations. "BHP believes a further extension of th ...