CNBC reports:

Be careful you don't fall off the Obamacare "cliff" when the boss asks you to put in some overtime. Working more could ultimately mean thousands of dollars less for you under a quirk in the new health-care law going into effect this fall. This could prompt some people to cut back on their hours to avoid losing money. "Working more can actually leave you worse off," the price-comparison siteValuePenguin.com notes in a new analysis. "It's sort of an absurd scenario," said Jonathan Wu, ValuePenguin.com's co-founder. "It's something for people to be aware of."