Top Wall Street analysts changed their outlook on these top names. For a complete view of all analyst rating changes, including upgrades and downgrades, please see our analyst ratings page.

• Goldman Sachs analyst Toshiya Hari upgraded the rating for Teradyne, Inc. (NASDAQ:TER) from Neutral to Buy, while increasing the price target from $118 to $161. Teradyne shares closed higher at $131.91 on Friday. See how other analysts view this stock.
• Morgan Stanley analyst Joseph Moore upgraded Micron Technology, Inc. (NASDAQ:MU) from Underweight to Equal-Weight and boosted the price target from $98 to $130. Micron shares slipped 2% to settle at $125.29 on Friday. See how other analysts view this stock.
• Piper Sandler analyst Matt O'Brien upgraded the rating for Globus Medical, Inc. (NYSE:GMED) from Neutral to Overweight, while raising the price target from $60 to $80. Globus Medical shares rose 0.7% to settle at $64.40 on Friday. See how other analysts view this stock. See how other analysts view this stock.
• Jefferies analyst John Colantuoni upgraded MercadoLibre, Inc. (NASDAQ:MELI) from Hold to Buy and announced a price target of $2,100. MercadoLibre shares closed at $1,749.17 on Friday. See how other analysts view this stock.
• UBS analyst A.J. Rice upgraded the rating for Universal Health Services, Inc. (NYSE:UHS) from Neutral to Buy, while raising the price target from $189 to $226. Universal Health shares settled at $177.70 on Friday. See how other analysts view this stock.