Shares of Calix, Inc. (NYSE:CALX) rose sharply in today's pre-market trading as the company reported better-than-expected first-quarter financial results and issued strong second-quarter guidance.
  After market close on Monday, cloud and managed services company Calix announced that its board increased its buyback authorization by an additional $100 million, bringing the total repurchase authorization up to $162.9 million.
  Calix reported first-quarter revenue of $220.24 million, beating analyst estimates of $206.98 million. The company reported first-quarter adjusted earnings of 19 cents per share, beating estimates of 13 cents per share, according to Benzinga Pro.
  Calix shares jumped 13.1% to $37.61 in pre-market trading
  Here are some other stocks moving in pre-market trading.
  Gainers
  
   - Gelteq Limited (NASDAQ:GELS) rose 329% to $3.97 in pre-market trading.
 
   - Standard Lithium Ltd. (NYSE:SLI) surged 44.2% to $2.02 in pre-market trading. Smackover Lithium’s South West Arkansas Project has received a special designation as a priority transparency critical mineral project from the Trump Administration.
 
   - SUNation Energy Inc.  (NASDAQ:SUNE) gained 36.2% to $3.80 in pre-market after dipping 30% on Monday.
 
   - Mullen Automotive, Inc. (NASDAQ:MULN) surged 25.3% to $1.09 in pre-market trading after dipping over 22% on Monday.
 
   - MicroCloud Hologram Inc. (NASDAQ:HOLO) gained 25% to $15.25 in pre-market trading after falling around 20% on Monday.
 
   - IT Tech Packaging, Inc. (NYSE:ITP) jumped 22.4% to $0.2880 in pre-market trading after dipping 11% on Monday.
 
   - Meiwu Technology Company Limited (NASDAQ:WNW) rose 21.8% to $1.51 in pre-market trading r after the company announced it regained Nasdaq compliance.
 
   - Solaris Resources Inc. (NYSE:SLSR) rose 17.4% to $3.98 in pre-market trading.
 
   - Adaptive Biotechnologies Corporation (NASDAQ:ADPT) gained 17% to $7.99 in pre-market trading. Adaptive Biotechnologies will report financial results for the first quarter after market close on Thursday, May 1.
 
  
  Losers
  
   - MKDWELL Tech Inc. (NASDAQ:MKDW) fell 43.5% to $0.22 in pre-market trading after jumping over 70% on Monday.
 
   - TNL Mediagene (NASDAQ:TNMG) fell 36.7% to $0.1857 in pre-market trading after declining 5% on Monday.
 
   - SHF Holdings, Inc. (NASDAQ:SHFS) shares fell 22.2% to $3.26 in pre-market trading after jumping around 96% on Monday.
 
   - Outset Medical, Inc. (NASDAQ:OM) shares tumbled 16.8% to $8.30 in pre-market trading. Outset Medical will release financial results for the first quarter after the close of trading on Wednesday, May 7.
 
   - National Energy Services Reunited Corp. (NASDAQ:NESR) shares fell 16.4% to $5.00 in pre-market trading.
 
   - INmune Bio, Inc. (NASDAQ:INMB) fell 16.1% to $6.11 in pre-market trading.
 
   - Gulf Resources, Inc. (NASDAQ:GURE) shares dipped 11.7% to $0.6890 in pre-market trading after dipping over 17% on Monday.
 
   - USA Rare Earth, Inc. (NASDAQ:USAR) declined 9.3% to $10.65 in pre-market trading. USA Rare Earth will release financial results for the first quarter, after the closing bell on Wednesday, May 14.
 
   - Tyra Biosciences, Inc. (NASDAQ:TYRA) fell 7.3% to $8.40 in today's pre-market trading.
 
   - SITE Centers Corp. (NYSE:SITC) dipped 5.7% to $11.01 in pre-market trading.
 
  
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