The retail world is abuzz with talk of cheap lightbulbs. That's right, lightbulbs. Wal-Mart (NYSE:WMT) has announced that relatively affordable LED lightbulbs will be available for sale for the first time exclusively at Wal-Mart stores and Walmart.com. Should investors care about something as trivial as a lightbulb? Absolutely. In this video, Fool.com contributor Aimee Duffy explains why.

Fool contributors Aimee Duffy and Tyler Crowe have no position in any stocks mentioned. The Motley Fool owns shares of General Electric. 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.