Dec. 30, 2011: $8.39
Dec. 31, 2010: $14.10
Panasonic's stock decline in 2011 was a slow, steady demise. Its shares fell below $14 in January, below $12 in July, below $10 in October, and hit its 52-week low on Dec. 28. Even the introduction of Johnson's new rugged Toughpad tablets in November wasn't enough to win investor confidence.