Investors could not make their minds up about the UK’s BT Group this week. At one moment, large hedge funds and pension funds were betting that the share price would fall, and the next, the share price was ricocheting upwards. The upward trend looks like the long-awaited turning point where BT shrugs off unprofitable legacy units and can monetize its expensive fiber and mobile investments. Market sentiment was so buoyant that by the end of the week, shares of the UK incumbent had reversed most of the 29% decline of the last 12 months. On Friday, the share price was £133.66, up nearly 26% in five days, and just 10% below the value a year ago – and it has…