BOSTON (TheStreet) -- Restaurant stocks popped Friday. Here are three companies that reported fourth-quarter results Thursday and whose stocks achieved 52-week highs during Friday's trading session.

3. The Cheesecake Factory

(CAKE) - Get Report





. Shares of the casual-dining establishment rose


during the past month.

The numbers

: The Cheesecake Factory swung to a fourth-quarter loss of $13,000, or break-even per share, from a profit of $7.1 million, or 12 cents, a year earlier. Excluding one-time charges, profit increased to $17 million, or 28 cents. Revenue increased marginally to $401 million. Cheesecake's operating margin widened from 3.9% to 6.5%. The company holds $74 million of cash and $100 million of debt.

The stock

: Cheesecake soared


during the past year, outperforming U.S. benchmarks. The shares are cheap in comparison to those of restaurant peers based on projected earnings, book value and sales. The stock has a PEG ratio, a measure of value relative to growth, of 0.8. A figure less than 1 implies that a stock is undervalued. By comparison, the industry average is 5.7.

2. Panera Bread Co.






. Shares of the bakery-cafe increased

TheStreet Recommends


during the past month.

The numbers

: Fourth-quarter profit rose 16% to $30 million, or 95 cents a share, as revenue inched up 2.6% to $367 million. Panera's operating margin widened from 12% to 13%. Company-owned comparable bakery-cafe sales improved 7.4% during the quarter. Our stock-model awards Panera a financial-strength score of 8.9 out of 10 for its steady growth and liquidity.

The stock

: Panera advanced


during the past year, beating major U.S. indices. The shares are undervalued relative to those of restaurant peers based on trailing earnings, projected earnings and sales. At a price-to-earnings ratio of 26, Panera appears costly. Yet, the stock has a PEG ratio of 0.5, representing a 91% discount to the restaurant peer group average.

1. Chipotle Mexican Grill

(CMG) - Get Report





. Shares of the burrito purveyor returned


during the past month.

The numbers

: Fourth-quarter net income soared 86% to $389 million, and earnings per share surged 90% to 99 cents, boosted by a lower share count. Revenue grew 13% to $389 million. Chipotle's operating margin extended from 9.4% to 13%. The company boasts an ideal fiscal position, with $270 million of cash and $3.9 million of debt. The model awards Chipotle a financial-strength score of 7.9 out of 10.

The stock

: Chipotle rocketed


during the past year, outpacing U.S. benchmarks. The shares are inexpensive relative to those of restaurant peers based on all of our valuation measures, including trailing earnings, projected earnings, book value, sales and cash flow. However, it would be deceptive to call Chipotle "cheap" since it commands a 4.5 book value multiple and a 4.1 PEG ratio.

-- Reported by Jake Lynch in Boston.