<span style="line-height: 18.9091px;">The&nbsp;</span>Carlyle Group<span style="line-height: 18.9091px;">&nbsp;on Wednesday announced its first stock buyback as it tries to counter the perception, heightened by turbulent markets, that the boom in&nbsp;</span>private equity<span style="line-height: 18.9091px;">&nbsp;is over.</span>