The following video is a segment from Wednesday's Energy Roundup, in which Motley Fool energy analysts Joel South and Taylor Muckerman dig deep into the biggest stories facing energy investors today.

In this segment, Joel tells investors about hedge fund and activist investor Bill Ackman's recent purchase of a 9.8% stake in Air Products & Chemicals (NYSE:APD) and why at this valuation the purchase was a little unusual.

Joel South and Taylor Muckerman have no position in any stocks mentioned, and neither does The Motley Fool. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.