CNN Money's Maribel Aber has your top business and financial news on this Friday, April 11.

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NEW YORK, NY (CNN) - CNN Money's Maribel Aber has your top business and financial news on this Friday, April 11.

USA Truck will end 'poison pill' plan

USA Truck of Van Buren said Thursday that it will end its shareholders rights plan at the end of business Friday. The publicly traded trucking company adopted the plan in November 2012 to protect itself from hostile takeover bids while the company attempted a turnaround. The so-called "poison pill" provision would have kicked in when an investor obtained more than 15 percent of USA Truck stock and allowed other shareholders to purchase an additional $24 worth of shares at a 50 percent discount. "We're pulling it down," Cliff Beckham, the company's CFO, told Arkansas Business. "It has served its purpose. It protected shareholders from being robbed."

Security breach: Change those passwords

Websites are racing to patch the Heartbleed bug, the worst security hole the Internet has ever seen. As sites fix the bug on their end, it's time for you to change your passwords. The Heartbleed bug allowed information leaks from a key safety feature that is supposed to keep your online communication private -- email, banking, shopping, and passwords. Don't change all your passwords yet, though. If a company hasn't yet updated its site, you still can't connect safely. A new password would be compromised too. Many companies are not informing their customers of the danger -- or asking them to update their log-in credentials.

Get married, save on car insurance

Did you know that taking 15 minutes to get married could save you at least 15% on your car insurance? According to a report from insuranceQuotes.com, a 20-year old married woman pays an average of 22% less for car insurance than her single counterpart. And a married 20-year-old man pays 20% less than his single friend of the same age. Your gender and age also significantly affect how much you pay, the report found. As people mature, gain experience and take on more responsibilities, they become safer drivers, Mike Barry, a spokesman for the Insurance Information Institute, says.

'Frozen' Elsa dress selling for $1,000 on eBay

The phenomenal success of "Frozen" is burning a hole in parents' pockets in more ways than one. Families have taken multiple trips to the theater to watch the movie, helping Frozen gross over $1 billion in the worldwide box office. It has become Disney's (DIS, Fortune 500) highest-grossing animated film of all time. It has created such a frenzy that all versions of Queen Elsa's sparkling ice-blue dress from the movie are sold out in U.S. stores. But on eBay, desperate parents can shell out over $1,000 to grab a limited-edition version of the dress that cost $149.95 when it first hit Disney stores in mid-November.

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