Medtronic, Inc. (NYSE:MDT)

Chart Analysis, MDT
Volume 23 million

WEEKLY CHART, 2 YEARSMONTHLY CHART, 7 YEARS

Qwest Communications International Inc. (NYSE:Q)

Chart Analysis, Q
Volume, 23 million

DAILY CHART, 5 MONTHS

Boston Scientific Corporation (NYSE:BSX)

Chart Analysis, BSX
Volume, 26 million

DAILY CHART, 5 MONTHS
WEEKLY CHART, 2 YEARS