| 2024-02-05 | Evercore ISI | “Outperform” → “In Line” downgrade |
| 2023-03-09 | Barclays | “Equal Weight” → “Overweight” upgrade |
| 2023-01-09 | Jefferies | “Buy” → “Hold” downgrade |
| 2022-12-14 | Citigroup | “Buy” → “Neutral” downgrade |
| 2022-09-15 | Berenberg | “Hold” → “Buy” upgrade |
| 2022-01-10 | Bernstein | “Outperform” → “Market Perform” downgrade |
| 2020-10-13 | BMO Capital | “Underperform” → “Market Perform” upgrade |
| 2020-08-14 | Jefferies | “Hold” → “Buy” upgrade |
| 2020-06-22 | Barclays | “Equal Weight” → “Overweight” upgrade |
| 2020-04-07 | Citigroup | “Buy” → “Neutral” downgrade |
| 2020-03-30 | RBC Capital | “Outperform” → “Sector Perform” downgrade |
| 2020-03-18 | BMO Capital | “Market Perform” → “Underperform” downgrade |
| 2020-03-12 | BMO Capital | “Outperform” → “Market Perform” downgrade |
| 2019-09-03 | Macquarie | “Outperform” → “Neutral” downgrade |
| 2019-07-16 | Truist | “Buy” → “Hold” downgrade |
| 2019-07-15 | Longbow Research | “Buy” → “Neutral” downgrade |
| 2019-07-09 | J.P. Morgan | “Overweight” → “Neutral” downgrade |
| 2019-05-13 | Berenberg | “Buy” → “Hold” downgrade |
| 2019-05-06 | Raymond James | “Strong Buy” → “Outperform” downgrade |
| 2019-05-02 | Deutsche Bank | “Buy” → “Hold” downgrade |
| 2019-04-24 | Wells Fargo | “Outperform” → “Market Perform” downgrade |
| 2019-02-19 | Evercore ISI | “Outperform” → “In Line” downgrade |
| 2018-11-05 | Argus | “Buy” → “Hold” downgrade |
| 2018-10-26 | Evercore ISI | “In Line” → “Outperform” upgrade |
| 2018-10-25 | B. Riley | “Neutral” → “Buy” upgrade |
| 2018-10-25 | Wells Fargo | “Market Perform” → “Outperform” upgrade |
| 2018-08-17 | Bernstein | “Outperform” → “Market Perform” downgrade |
| 2018-07-19 | Berenberg | “Hold” → “Buy” upgrade |
| 2018-05-17 | Evercore ISI | “Underperform” → “In Line” upgrade |
| 2018-01-17 | Morgan Stanley | “Overweight” → “Equal Weight” downgrade |
| 2018-01-08 | Raymond James | “Outperform” → “Strong Buy” upgrade |
| 2017-11-14 | Goldman Sachs | “Conviction Buy” → “Buy” downgrade |
| 2017-11-06 | Wells Fargo | “Outperform” → “Market Perform” downgrade |
| 2017-10-27 | B. Riley | “Outperform” → “Neutral” downgrade |
| 2017-07-31 | Berenberg | “Sell” → “Hold” upgrade |
| 2017-04-03 | Telsey Advisory Group | “Outperform” → “Market Perform” downgrade |
| 2017-01-19 | Bernstein | “Market Perform” → “Outperform” upgrade |
| 2016-12-15 | Bank of America | “Neutral” → “Buy” upgrade |
| 2016-12-05 | MKM Partners | “Sell” → “Buy” upgrade |
| 2016-11-28 | Evercore ISI | “Buy” → “Hold” downgrade |
| 2016-09-09 | Bernstein | “Market Perform” → “Perform” revised |
| 2016-05-19 | Bank of America | “Buy” → “Neutral” downgrade |
| 2016-01-14 | MKM Partners | “Buy” → “Sell” downgrade |
| 2015-12-03 | Macquarie | “Neutral” → “Outperform” upgrade |
| 2015-08-05 | Evercore ISI | “Hold” → “Buy” upgrade |
| 2015-08-05 | Goldman Sachs | “Buy” → “Neutral” downgrade |
| 2015-04-13 | Evercore ISI | “Buy” → “Hold” downgrade |
| 2015-02-04 | Baird | “Neutral” → “Outperform” upgrade |
| 2015-01-13 | Wells Fargo | “Market Perform” → “Outperform” upgrade |
| 2014-10-09 | JMP Securities | “Market Outperform” → “Outperform” revised |
| 2014-05-23 | Craig-Hallum | “Hold” → “Buy” upgrade |
| 2014-05-12 | UBS | “Neutral” → “Buy” upgrade |
| 2014-05-07 | Morgan Stanley | “Equal Weight” → “Overweight” upgrade |
| 2014-03-04 | Goldman Sachs | “Neutral” → “Buy” upgrade |