<p>Burned by failed deals, poor returns and client withdrawals, hedge fund managers needed a home run.</p> <div>With each passing day last week, as a Johnson &amp; Johnson corporate jet remained mostly parked a short drive from Actelion Ltd. headquarters near Basel, Switzerland, they grew increasingly confident of a big score, according to hedge fund managers betting on the deal who tracked the plane&rsquo;s movements on the internet.</div>