Many cars, including the Mazda CX-5 and Volkswagen Golf, use variable valve timing to maximize fuel efficiency and performance.

FORBES: 10 Ways Automakers Are Helping You Spend Less On Gasoline

Speaking on a conference call Tuesday, club executives urged investors to avoid focusing on individual quarterly comparisons, which could vary based on the squad's performance and the timing of player contracts.

WSJ: Manchester United Posts Wider Loss

With the right level of accountability, timing and dialogue, budgeting can not only be simplified, but actually be a performance management tool that adds value and helps managers run their businesses more effectively.

FORBES: Does the Budgeting Process Drive You Batty?

The timing was picked to commemorate Holocaust Memorial Day, which will be observed worldwide Sunday, and the performance was streamed live on the Internet for international audiences.

NPR: Opera About Nazi Atrocity Shown In Austria