NEW YORK ( TheStreet) -- Even as hoards of blue chips attained 52-week highs this week, a number of stocks are breaking the less desirable boundary of 52-week lows.

AsiaInfo-Linkage ( ASIA), a Beijing-based telecommunications software provider, fell to $15.76, another low for this week. It has a buy rating from Kaufman Brothers and a rating of outperform from Wedbush Securities.

Shares of biopharmaceutical firm AMAG Pharmaceuticals ( AMAG - Get Report) dipped as low as $23.58 in morning trading Thursday. AMAG was downgraded to neutral from outperform by Robert W. Baird in late July. Citigroup ( C) has had a buy rating on the stock since January.

Asia Info-Linkage and AMAG were repeat losers with Thursday's lows pushing their lower bounds further from depths reached earlier this week.

>>7 Stocks Hitting 52-Week Lows

China Pharma Holdings ( CPHI - Get Report), a Chinese biotech firm traded as low as $2.13 Thursday morning. Rodman & Renshaw has a market outperform rating on the stock.

Glass maker Apogee Enterprises ( APOG - Get Report) traded down to $8.76 Thursday following a disappointing quarterly report. Analysts from Northland Securities rate the stock outperform.

Savings bank HMN Financial ( HMNF - Get Report) fell to $3.06.

Consolidated Water ( CWCO - Get Report), the operator of seawater desalination plants, dipped to $8.16 in morning trading. Analysts from Brean Murray downgraded Consolidated Water's stock to hold from buy last month.

Insurance firm Hilltop Holdings ( HTH - Get Report) traded down to $9.52 early Thursday.

-- Written by Miriam Marcus Reimer in New York.

>To contact the writer of this article, click here: Miriam Reimer.

>To follow the writer on Twitter, go to

>To submit a news tip, send an email to:


>>See our new stock quote page.

Get more stock ideas and investing advice on our sister site,

Disclosure: TheStreet's editorial policy prohibits staff editors and reporters from holding positions in any individual stocks.