Core Viewpoint - Five stocks have been added to the Zacks Rank 1 (Strong Buy) List, indicating strong potential for investment based on recent earnings estimate increases. Group 1: Company Earnings Estimates - Isabella Bank Corporation (ISBA) has seen a 7.5% increase in the Zacks Consensus Estimate for its current year earnings over the last 60 days [1] - Vertiv Holdings Co (VRT) has experienced a 7% increase in the Zacks Consensus Estimate for its current year earnings over the last 60 days [2] - Seagate Technology Holdings plc (STX) has also seen a 7% increase in the Zacks Consensus Estimate for its current year earnings over the last 60 days [2] - Customers Bancorp, Inc. (CUBI) has had nearly an 8% increase in the Zacks Consensus Estimate for its current year earnings over the last 60 days [3] - JOYY Inc. (JOYY) has experienced a significant 16.9% increase in the Zacks Consensus Estimate for its current year earnings over the last 60 days [3]