Abengoa S.A. (NASDAQ: ABGB) was downgraded to Underperform from Neutral at BNP Paribas. This is on the heels of a €650 million capital raise to lower its debt. Shares were indicated down 22% at $8.55 or so in early Monday trading.

Adeptus Health Inc. (NYSE: ADPT) was started as Buy with a price target of $135 (versus a $109.89 close) at Jefferies.

AMC Networks Inc. (NASDAQ: AMCX) was raised to Overweight from Equal Weight at Morgan Stanley.

Assurant Inc. (NYSE: AIZ) was raised to Buy from Underperform and the price objective was raised to $89 from $69 at Bank of America Merrill Lynch.

Broadcom Corp. (NASDAQ: BRCM) had its price target lowered to $54.50 from $59 at Canaccord Genuity, but the firm said that soft guidance was from the tough macro environment and that, despite merger concerns, the Avago acquisition is on track.

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Diana Shipping Inc. (NYSE: DSX) was downgraded to Hold from Buy with an $8 price target (versus a $7.55 close) at Stifel.

Extended Stay America Inc. (NYSE: STAY) was raised to Outperform from Neutral with a $23 price target (versus a $19.00 close) at R.W. Baird.

ImmunoGen Inc. (NASDAQ: IMGN) was downgraded to Hold from Buy but the price target was raised to $21 from $12 (versus an $18.02 close) at Cantor Fitzgerald.

Maxim Integrated Products Inc. (NASDAQ: MXIM) was started as Sector Perform and with a $37 price target (versus a $34.04 close) at RBC Capital Markets.

Royal Dutch Shell PLC (NYSE: RDS-A) was raised to Buy from Neutral at UBS.

Plexus Corp. (NASDAQ: PLXS) was raised to Buy from Neutral and the price target was raised to $44 from $40 (versus a $38.14 close) at Goldman Sachs.

Starz (NASDAQ: STRZA) was downgraded to Equal Weight from Overweight at Morgan Stanley.

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Stewart Information Services Corp. (NYSE: STC) was started as Market Perform with a $42 price target (versus a $41.12 close) at Keefe Bruyette & Woods.

ULTA Salon, Cosmetics & Fragrance Inc. (NASDAQ: ULTA) was started as Hold at Deutsche Bank.

In case you missed Friday’s top analyst upgrades and downgrades, they included Broadcom, CenturyLink, GoPro, Linn Energy, Stratasys, Whiting Petroleum and over a dozen more.