$36.93 0.43 | 1.18%
Today's Range: 36.34 - 37.37
MRX Avg. Daily Volume: 1,197,200
05/25/12 - 4:04 PM ET
TRADE NOW
Insider Trading
Historical Data Current 1 Mo. Ago 2 Mo. Ago 3 Mo. Ago 4 Mo. Ago 5 Mo. Ago 6 Mo. Ago
Net Insider Transaction 187,936 260,170 0 0 6,586 -7,414 44,450
Shares Bought 338,433 338,433 0 0 21,000 21,000 297,290
Shares Sold 150,497 78,263 0 0 14,414 28,414 252,840
Institutional Trading
Historical Data Current 1 Mo. Ago 2 Mo. Ago 3 Mo. Ago 4 Mo. Ago 5 Mo. Ago 6 Mo. Ago
Total Shares Held 58.61M 59.17M 61.23M 61.44M 64.41M 64.41M 64.41M
Shares Bought 10.26M 10.95M 10.81M 10.97M 14.27M 14.27M 14.27M
Shares Sold 11.97M 14.02M 14.86M 15.22M 13.02M 13.02M 14.12M
Latest MRX Headlines

TheStreet Premium Services

Jim Cramer
Jim Cramer's Action Alerts PLUS:
Trade right alongside a Wall Street pro — enjoy access to his Charitable Trust portfolio and be sent trade alerts BEFORE he makes a move. Learn More
OptionsProfits
OptionsProfits:
Get 50+ trade ideas a week from the industry's top options experts. Plus — exclusive commentary on market trends and essential trading tools. Learn More
Real Money
Real Money:
Our team of professional Wall Street Pros — including Jim Cramer, Doug Kass, and Nicholas Vardy — delivers intelligent analysis, timely trade ideas, and colorful commentary. Learn More
Stocks Under $10
Stocks Under $10:
Break into the market with small- and mid-cap stocks... all $10 or less! David Peltier tells you exactly which low-priced stocks he's buying and selling. Learn More
Dow Jones S&P 500 NASDAQ 10-Year Note
12,454.83 1,317.82 2,837.53 17.45
Oil *
106.76
DOWN
74.92
DOWN
2.86
DOWN
1.85
DOWN
0.14
10 Yr
1.74%
SPDR Gold
152.68
-0.60%
-0.22%
-0.07%
-0.80%
Data delayed 20 minutes

Top Stories and Tools

Articles From

After the Bell

Before the Bell

Booyah! Newsletter

Midday Bell

TheStreet Top 10 Stories

Winners & Losers

We respect your privacy.
Podcasts

Connect with TheStreet