The shares of Level 3 Communications (NASDAQ: LVLT) are sinking deeper into penny-stock territory this morning following a damaging price-target cut from analysts at Citigroup. The brokerage firm slashed its price target on LVLT from $2.00 to 50 cents, and reiterated its Sell rating on the stock.

After closing Monday at 94 cents, LVLT is slipping ever closer this morning to that hypothetical "support at zero." In fact, following yesterday's all-out bearish note on General Motors (NYSE: GM), one has to wonder if Deutsche Bank will soon be slapping another of its famous goose-egg targets on Level 3. The stock has closed seven out of the past 13 sessions south of the $1 level, and its descending 10-day and 20-day moving averages have provided stubborn resistance in recent months.

In fact, while many analysts have already denounced LVLT, there's still room for potential downgrades or price-target cuts. Zacks reports two Buy or better ratings from brokerage firms, and these bulls may soon be shamed into lowering their opinions (if so, they would join six analysts who consider the stock a Hold, and six who deem it a Sell or Strong Sell).

Meanwhile, Thomson Financial pegs the average 12-month price target at $1.68, a premium of 87% to the equity's closing price on Monday. While more negative notes could drag the shares lower, there is a bright side -- from their current level, the shares could only lose about 85 cents.

Elizabeth Harrow is an analyst and financial writer in the research department at Schaeffer's Investment Research. She is featured in the video series Schaeffer's Daily Q&A on SchaeffersResearch.com.

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