Mid-Sized (Market Caps $10 Bil-$20 Bil) San Francisco, California Bay Area Technology Companies 2019 Total Operating Income Unexpectedly Plummets By 70% From Annual 2018. All Four Quarters of 2019 Experienced Sharp Declines.

There were 16 San Francisco, California Bay Area Technology Companies with stock market caps of between $10 bil and $20 bil a bit short of a month ago.

From a review of SEC filings, below are the Gold-Standard US GAAP Operating Income (Loss) From Continuing Operations for these 16 San Francisco, California Bay Area Technology Companies in each of the four quarters of both 2019 and 2018.

`		US	US			US	US			US	US			US	US
		GAAP	GAAP			GAAP	GAAP			GAAP	GAAP			GAAP	GAAP
		Operating	Operating			Operating	Operating			Operating	Operating			Operating	Operating
		Income	Income			Income	Income			Income	Income			Income	Income
		(Loss)	(Loss)			(Loss)	(Loss)			(Loss)	(Loss)			(Loss)	(Loss)
San Francisco Bay Area		Dec	Dec			Sept	Sept			June	June			March	March
Mid-Sized Technology Cos	California	Quarter	Quarter			Quarter	Quarter			Quarter	Quarter			Quarter	Quarter
Market Caps $10 Bil to $20 Bil	City HQs	2019	2018			2019	2018			2019	2018			2019	2018
		mils $	mils $			mils $	mils $			mils $	mils $			mils $	mils $
Software and Services Cos
Check Point Software	San Carlos	249	250			214	226			213	224			206	213
Pinterest	San Francisco	(43)	44			(134)	(22)			(1,167)	(41)			(45)	(55)
Lyft	San Francisco	(382)	(270)			(491)	(269)			(673)	(194)			(1,157)	(245)
Symantec	Mountain View	62	62			103	43			157	2			107	6
Okta	San Francisco	(46)	(28)			(44)	(38)			(52)	(25)			(28)	(24)
RingCentral	Belmont	(20)	(3)			(11)	(7)			(7)	(5)			(7)	(1)
Roku	Los Gatos	(17)	5			(27)	(12)			(10)	(0)			(11)	(7)
DocuSign	San Francisco	(44)	(58)			(65)	(38)			(42)	(268)			(63)	(6)
Fair Isaac Corp	San Jose	52	49			70	48			86	45			49	46
Coupa Software	San Mateo	(17)	(10)			(23)	(11)			(18)	(12)			(15)	(9)
Semiconductor Cos
Maxim Integrated Products	San Jose	169	182			156	234			174	222			157	225
Marvell Technology Group	Santa Clara	(62)	(21)			(46)	(8)			(21)	125			(53)	54
Other Tech Manufacturing Cos
Hewlett Packard Enterprise	San Jose	460	653			(76)	490			434	366			456	228
Arista Networks	Santa Clara	176	194			229	181			207	(240)			194	139
NetApp	Sunnyvale	296	286			104	254			370	312			311	490
Seagate Technology	Cupertino	384	416			273	503			332	505			236	441
Total all 16 Mid-Sized San Francisco Bay Area Technology Cos		1,217	1,751			232	1,574			(17)	1,016			337	1,495
….. % Change From Prior Year Quarter		-30%				-85%				-102%				-77%
Total Operating Income (Loss)
….. Annual 2019		1,769
….. Annual 2018		5,836
………. % Decline		-70%