Catch up on today's top five analyst upgrades with this list compiled by The Fly: 1. Pentair (PNR) upgraded to Buy from Neutral at Goldman Sachs with analyst Brian Lee saying he believes that "cyclical dynamics" are beginning to favor the residential end market for the first time in a while as water spending trends inflect positively. 2. iRobot (IRBT) upgraded to Market Perform from Underperform at Raymond James with analyst Brian Gesuale citing no tariff relief in 2020 and limited expense leverage. 3. Digital Realty (DLR) upgraded to Buy from Hold at Jefferies with analyst Jonathan Petersen saying since the company's acquisition agreement with Interxion (INXN) was announced in late October, Digital Realty shares have underperformed data center peers amid an overhang due to some Interxion "shareholder agitation" for an increased bid. 4. TransAlta (TAC) upgraded to Outperform from Neutral at Credit Suisse with analyst Andrew Kuske saying the company's business plans and market environment "have been progressively positive," yet the stock has not yet inflected meaningfully. 5. Columbia Property (CXP) and EPR Properties (EPR) upgraded to Buy from Hold at SunTrust. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.

RBC Capital analyst Deane Dray raised the firm's price target on Pentair to $103 from $101 and keeps an Outperform rating on the shares. The company's earnings quality was good, and the firm still expects upside in Pool business this year, the analyst tells investors in a research note. RBC further notes that the Pool channel inventory has reset, and Pentair is building inventory ahead of what it expects will be a solid 2Q24 pool-opening season.

TransAlta Corporation announced that the combined 300 MW White Rock East and White Rock West wind facilities, located in Caddo County, Oklahoma, have achieved commercial operation. The White Rock wind facilities are fully contracted to Amazon Energy and are currently supplying clean and affordable electricity to our customer. TransAlta's portfolio in the US now totals 820 MW in net operating renewable energy capacity. "We are pleased to bring into service our first clean electricity project in Oklahoma, White Rock, which is our largest wind project completed to date. White Rock was made possible through our long-term customer relationship with Amazon and its commitment to power its operations with 100 per cent renewable energy. Amazon is a global leader in procurement of renewable energy to achieve sustainability and carbon reduction objectives, and we are excited to be a trusted supplier to provide clean and affordable electricity as part of Amazon's decarbonization pledge," said Mr. John Kousinioris, President and Chief Executive Officer of TransAlta.

Sees Q2 revenue growth 1%-2% vs. last year, consensus $1.12B.